Kayson shrugged helplessly. After seeing Lupin off, he took out Bruce's Ender Pearl and tossed it onto the ground.
With a buzzing roar, Sirius appeared in the office, wearing the dazed expression of a dog.
"Did Bruce miss me?" Kayson grinned sideways as he picked Sirius up and walked toward the platform in the distance.
Several young wizards taking a walk by the Black Lake watched as a large black dog leisurely glided toward them.
"What the fuck?"
Seeing how happily Sirius was flying, Kayson had no intention of calling the delighted dog back. After closing the French windows, he happily began studying the spellbook in his hands. He felt that he could layer and combine spell after spell into even more powerful magic.
Until the next day...
"Whoa, whoa, whoa... Don't tell me you didn't sleep all night." When Lupin walked in, he found Kayson with unshaven stubble and lifeless eyes.
"Can't help it. This thing is fucking fun." Kayson raised the New Magic Arts Spellbook in his hand by way of explanation.
"So you pulled an all-nighter?"
"Not just that. I made several more magic runes: Wind Slash, for one. It can be used like Snape's Sectumsempra, except with a wider attack range."
"There's also a Growth Rune and a Naming Rune. There's nothing much to say about the first one, but the second can be used as a Confundus Charm in a sense. It's fucking amazing!" Kayson said excitedly.
Lupin nodded. "All right, all right, I know you're fucking amazing now, but listen to me. You really need to get some rest... Want a Stupefy?"
"Uh... sure."
"Stupefy." The moment Lupin finished the incantation, he followed it with a Levitation Charm. The charm carried Kayson back to his bedroom on the fourth floor, while Lupin shrugged helplessly